The ends of a magnet where thee forces are the strongest are called magnets

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves